USPTO serial 71320193
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This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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| Class | Description | Status | First use |
|---|---|---|---|
| 052 | PREPARATION PRIMARILY INTENDED FOR PREVENTING THE FORMATION OF AND FOR REMOVING SCALE, RUST, AND THE LIKE FROM BOILERS, REFRIGERATION, HOT OR STEAM WATER HEATING SYSTEMS, AND OTHER FLUID CONTAINERS | EXPIRED | Sep 28, 1931 |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Dec 14, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Mar 8, 1972 | REN2 | REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) | — |